CN109114289A - Guide electromagnetic valve - Google Patents
Guide electromagnetic valve Download PDFInfo
- Publication number
- CN109114289A CN109114289A CN201810524551.6A CN201810524551A CN109114289A CN 109114289 A CN109114289 A CN 109114289A CN 201810524551 A CN201810524551 A CN 201810524551A CN 109114289 A CN109114289 A CN 109114289A
- Authority
- CN
- China
- Prior art keywords
- main valve
- magnetic
- valve
- valve plug
- attraction element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/40—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
- F16K31/406—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a piston
- F16K31/408—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a piston the discharge being effected through the piston and being blockable by an electrically-actuated member making contact with the piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Magnetically Actuated Valves (AREA)
- Fluid-Driven Valves (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
Abstract
One kind is provided even if the guide electromagnetic valve that can be acted well extensive temperature specification region.In guide electromagnetic valve (100), the main valve plug (40) of aluminum can slidably be contained in the magnetic-attraction element (80) of magnetic material.Also, by pellumina processing is implemented in main valve plug (40) with the sliding surface of magnetic-attraction element (80), to form pellumina working process layer in the sliding surface.Make the linear expansion coefficient of main valve plug (40) close to the linear expansion coefficient of magnetic-attraction element (80) as a result,.
Description
Technical field
The present invention relates to a kind of guide electromagnetic valves, more particularly to a kind of refrigeration cycle for being used for air conditioner for automobile machine
Deng and the guide electromagnetic valve that can also be acted well in extensive temperature specification region.
Background technique
The one kind of solenoid valve as the valve of the flowing of control fluid.Solenoid valve has the spool that flow path is opened and closed, right
It is driven by the moving element for being known as plunger of solenoid-activated, is by the action opened and closed spool movement flow path
Control.
In addition, direct-acting electromagnetic valve and guide can be divided into if classifying according to the driving method of spool to the solenoid valve
Formula solenoid valve.The type that the spool of main valve and driving plunger directly link is known as " Direct Action Type ", will be passed through by the pressure of fluid
The type of the spool of main valve and the spool of control bound is driven to be known as " pilot-operated type " by diaphragm, piston.Here, pilot-operated type can
Reduce the electric power for acting solenoid, the refrigeration that may be alternatively used for the stringent air conditioner for automobile machine of requirement of small shape/lightness is followed
Ring etc..
So, the guide electromagnetic valve that can be used in the refrigeration cycle of air conditioner for automobile machine has been known, for example, patent
Document 1 discloses group and enters to have the combination valve of guide electromagnetic valve.The compound valve arrangement is simple and valve shape can be made to minimize, also
Manufacturing man-hours can be reduced and inhibit manufacturing cost.In addition, realizing the lightness of system and keeping the structure of combination valve simplified.
In the equipment of the refrigeration cycle for air conditioner for automobile machine, the lightness countermeasure of solenoid valve is one of big project.
It using aluminium is effective in valve body (solenoid valve trunk) as main component etc. also, for the lightness.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2004-340560 bulletin
(problems to be solved by the invention)
In the guide electromagnetic valve documented by patent document 1, it is formed in the magnetic-attraction element for making pilot valve work
Receiving main valve plug and the sliding part (main valve plug receiving portion) for sliding main valve plug.In the case where having a structure in which, attract
Element needs are formed by magnetic material, but when other valve bodies, main valve plug etc. are formed by aluminium as described above, it can
The lightness of the guide electromagnetic valve can be related to.
Here, guide electromagnetic valve has following construction: making guide's valve events by electromagnetic force, generate main valve plug as a result,
Front and back differential pressure and make the main valve plug act.Therefore, especially distinguish in main valve plug and with the component of the spool sliding contact
In the case where being made of the different material of linear expansion coefficient, such as when application is automobile, in -40 DEG C~80 DEG C degree
It is project that the gap appropriate between slide unit is maintained within the scope of temperature specification.
It is being made of main valve plug aluminum material, and by when for example magnetic stainless steel material constitutes magnetic-attraction element, magnetic stainless steel
Linear expansion coefficient be about 10.4 × 10-6/ DEG C, in contrast, the linear expansion coefficient of aluminium is about 23.6 × 10-6/ DEG C, because
This project shows the slipper of main valve and magnetic-attraction element significantly.
Summary of the invention
The present invention is structure as following: being made of the main valve plug of solenoid valve aluminum material, tool is made of magnetic stainless steel
In the case where the magnetic-attraction element of the standby main valve plug receiving portion that can be accommodated the main valve plug and slide the main valve plug, to the master of aluminum
The slipper of spool implements pellumina processing, to make the linear expansion coefficient of the slipper of main valve plug close to magnetic-attraction element
Main valve plug receiving portion linear expansion coefficient, and solve such project.That is, even if being caused by the use environment of solenoid valve larger
Temperature change (such as -40 DEG C~80 DEG C degree), also can be by the magnetic-attraction element of the main valve plug of aluminum and magnetic stainless steel
Between the variation in gap ensure small, can prevent foreign matter from entering gap and the movement of locked main valve, the surface of main valve plug are strong
Degree also increases, so as to improve resistance to foreign body and Work durability.
Pellumina processing refers to be carried out electrolysis processing and artificially forms the surface treatment of oxidation film in aluminium surface to aluminium,
It is the processing carried out to improve corrosion resistance/against weather of aluminium.But in pellumina processing, due to locating
Reason layer is and difficult to oxidation film while being impregnated with (such as 10 μm of degree) inside base material to the growth of the outside of aluminium surface with even depth
To carry out the size management of part.Therefore, pellumina processing will not be implemented in the case where not considering corrosion resistance.That is,
In the inner surface of the valve body of the guide electromagnetic valve for the refrigeration cycle for being used for air conditioner for automobile machine, usually only for refrigerant
By part without pellumina processing.
(means for solving the problems)
Guide electromagnetic valve of the invention has: valve body, which is formed with the inflow entrance and outflux of fluid,
Main valve seat and main valve chamber are formed between the inflow entrance and the outflux；Main valve plug, the main valve plug are formed with first guiding path
And balancing orifice, it is configured in the main valve chamber in a manner of it can contact, separate with the main valve seat；Pilot valve, the guide
Spool can be touched with the pilot valve seated connection for the end for being set to the first guiding path, be separated；Solenoid, solenoid winding are wired
Circle；Magnetic-attraction element, the magnetic-attraction element have the main valve plug receiving portion for accommodating the main valve plug, and the main valve plug can be with the master
The sliding contact of spool receiving portion；And plunger, the plunger are linked to the pilot valve, and attracted the magnetic-attraction element,
The flowing that the fluid in the first guiding path is controlled and being powered to driving the pilot valve to the solenoid, to drive
The main valve plug is moved, the guide electromagnetic valve is characterized in that the main valve plug is made of aluminum material, and the attraction unit
Part is made up of magnetic material, and the face at least with magnetic-attraction element sliding of the main valve plug is by pellumina working process layer
It constitutes.
In addition, guide electromagnetic valve of the invention is characterized in that, the magnetic material of the magnetic-attraction element is constituted as magnetism
Stainless steel.
Invention effect
In the present invention, being processed with the slipper of magnetic material magnetic-attraction element by pellumina in aluminum main valve plug
Process layer is constituted, therefore the linear expansion coefficient of main valve plug is generated close to the linear expansion coefficient of magnetic-attraction element by temperature change
The variation in the gap between main valve plug and magnetic-attraction element reduces.Therefore, guide electromagnetic valve can extensive temperature region into
The good sliding action of row.In addition, the changes in flow rate of the clearance portion generated by the variation of environment temperature reduces, the sound of on-off action
Answering property improves.In addition, the surface hardness of the slipper of main valve plug also improves stain resistance, abrasion resistence also improves.
Detailed description of the invention
Fig. 1 is the longitudinal section view being illustrated to the structure of the guide electromagnetic valve of embodiments of the present invention, is to indicate
Open the figure of the full-gear (state not being powered to solenoid) of both pilot valve and main valve.
Fig. 2 is the longitudinal section view being illustrated to the structure of the guide electromagnetic valve of embodiments of the present invention, is to indicate
Close the figure of the full-shut position (state being powered to solenoid) of both pilot valve and main valve.
Fig. 3 is the longitudinal section view being illustrated to the structure of the guide electromagnetic valve of embodiments of the present invention, is to indicate
In the figure for just releasing the state that the only pilot valve after solenoidal energization is opened.
Symbol description
100 guide electromagnetic valves
10 main valve portions
20 guide's valve portions
30 valve bodies
31 inflow entrances
32 outfluxes
33 main valve chambers
34 guide's valve chambers
35 main valve seats
40 main valve plugs
41 main valves liner
42 guide's valve seats
43 main valve plug sealing elements
44 balancing orifices
45 first guiding paths
46 main valve plug springs
50 plungers
51 pipes
52 springs
60 pilot valves
61 pilot valves liner
70 solenoids
80 magnetic-attraction elements
81 small diameter portions
82 large-diameter portions
83 O-rings
Specific embodiment
Hereinafter, referring to Fig.1~Fig. 3 is illustrated the solenoid valve of embodiments of the present invention.Here, Fig. 1 is to this hair
The figure that the structure of the solenoid valve of bright embodiment is illustrated is the figure for indicating full-gear, and Fig. 2, which takes temperature, shows full-shut position
Figure, Fig. 3 are the figures for indicating to be directed only to that port is open state.In addition, in the explanation of the following embodiments and the accompanying drawings, up and down/left and right/interior
Outer direction indicates the direction in the paper of Fig. 1 to Fig. 3, it is thus impossible to enough be construed to reduce technical scope of the invention.
The guide electromagnetic valve 100 of embodiments of the present invention is that have main valve portion 10 and guide's valve portion in valve body 30
The guide electromagnetic valve of 20 refrigeration cycle that can be used in air conditioner for automobile machine etc., by the opening and closing of main valve portion 10 come to fluid
Inflow entrance 31 and outflux 32 between the flowing of fluid control is opened and closed.Inflow entrance 31 and outflux 32 are formed in conduct
The valve body 30 of valve trunk is provided with main valve chamber 33 between inflow entrance 31 and outflux 32.Main valve plug 40 is as described later
It vertically can slidably be contained in main valve chamber 33.The main valve plug 40 glide direction a side side (in the implementation of diagram
Lower section in example) it constitutes and has main valve portion 10, constituting in another party side (in the illustrated embodiment top) has guide's valve portion 20.In valve
Main body 30 is formed with internal screw thread 30b, 30c.Valve body 30 and main valve plug 40 are made by aluminum materials such as aluminum or aluminum alloy.
In the center upper portion of solenoid valve 100, the plunger 50 for sliding pilot valve 60 is configured in pipe 51, and the pipe 51 is under
Fang Kaifang.Pilot valve 60 is linked to plunger 50, is configured to vertically slide in pipe 51 together with plunger 50.That is, column
Plug 50 is vertically slided in pipe 51 by the movement of solenoid 70.Plunger 50 is driven as the movement by solenoid 70
Component, be provided with magnetic-attraction element 80.It is magnetic stainless when being powered by control unit appropriate (not shown) to solenoid 70
The magnetic-attraction element 80 of steel magnetizes, and the elastic force of spring 52 is overcome to attract plunger 50 downwards.The pipe 51 of plunger 50 is accommodated under
Fang Kaifang is fixed on magnetic-attraction element 80 by the appropriate means such as rivet or weld.Solenoid 70 passes through around bobbin 70b
It is constituted around magnetic yoke 70c, is wound with coil 70a in bobbin 70b, magnetic yoke 70c is formed by magnetic material.At magnetic yoke 70c
Side (valve body side) is formed with the extension 70d stretched out outward.
Magnetic-attraction element 80 is set as whole and is vertically formed with the multistage barrel shape of through hole, and is equipped with pipe 51.In the shape
Under state, magnetic-attraction element 80 is inserted into or is screwed on the top major diameter hole portion 30a for being formed in valve body 30, later, is being formed in insertion
The through hole of the extension 70d of the solenoid 70 of the periphery of pipe 51 is inserted into external screw thread 71, to be formed by the way that external screw thread 71 to be screwed together in
In the internal screw thread of valve body 30, magnetic-attraction element 80, which is pressed, is fixed on valve body 30.The barrel shape of magnetic-attraction element 80 is substantially by upper
The small diameter portion 81 in portion and the large-diameter portion 82 of lower part are constituted, and are fixed with the downside open end of pipe 51 in small diameter portion 81, large-diameter portion 82 is such as
It is above-mentioned to be fixed on valve body 30 like that.Plunger 50 can vertically be slidably received within the pipe 51 for being fixed on small diameter portion 81.
Cylindric main valve plug receiving portion (spatial portion) 82a is formed in the inside of the large-diameter portion 82 of magnetic-attraction element 80, it is main
Spool 40 vertically can be slidably contained in the 82a of the main valve plug receiving portion.The space is divided up and down by main valve plug 40,
So that the lower part in the space becomes main valve chamber 33 and top becomes guide's valve chamber 34.The outside of the large-diameter portion 82 of magnetic-attraction element 80 with
It is sealed between valve body 30 by appropriate O-ring 83, the inside of large-diameter portion 82 and the main valve plug 40 slided in large-diameter portion 82
Outer peripheral surface (part slided with magnetic-attraction element 80) between sealed by appropriate main valve plug sealing element 43, so that refrigerant is not
Leakage.
In embodiment (not shown) of the invention, it regard the small diameter portion 81 of magnetic-attraction element 80 and large-diameter portion 82 as a portion
Part and the cylindrical shape component that construction is integrally formed via step difference, still, certainly, according to embodiment, although it is not shown, but
It is small diameter portion 81 and large-diameter portion 82 can also to be made up of different components, and pass through the fixed the two of appropriate means.In short, pass through to
Solenoid 70 is powered, so that magnetic-attraction element 80 can attract and drive plunger 50.In the present invention, by portion as following
Part is known as magnetic-attraction element: attracting driving plunger 50, and main valve plug 40 is accommodated into the component that can be slided up and down.Magnetic-attraction element 80
It is made of a component, or is made of all multiple components that there is no problem.
Main valve portion 10 is by being installed on the main valve liner 41 of the downside of main valve plug 40 and being formed in the inflow entrance 31 of valve body 30
Main valve seat 35 between outflux 32 is constituted, and guide's valve portion 20 pads 61 by the pilot valve for being installed on the lower section of pilot valve 60
It is constituted with the guide's valve seat 42 for the upside for being formed in main valve plug 40.First guiding path 45 and balancing orifice 44 are formed in main valve plug 40.
The end of first guiding path 45 is provided with guide's valve seat 42.Balancing orifice 44 is connected to main valve chamber 33 and guide's valve chamber 34, the balancing orifice
44 sectional area is smaller than the sectional area of first guiding path 45.
By the formation of the balancing orifice 44, makes 34 pressure equalization of main valve chamber 33 and guide's valve chamber, make the opening and closing work of main valve plug 40
Make to be easy/smoothization.In addition, playing the role that in the case where main valve portion 10 is closed state, even if coming from and the solenoid valve 100
When the pressure change sharply of the compressor (not shown) of connection, such as when making compressor start, main valve chamber 33 can also be made
Refrigerant rapidly flows out and the not valve opening of main valve portion 10 to guide's valve chamber 34, or is difficult to valve opening.
In the guide electromagnetic valve 100, valve body 30 and main valve plug 40 are made of aluminum materials such as aluminum or aluminum alloy, by magnetic
Property stainless steel constitute magnetic-attraction element 80.Also, the entirety of main valve plug 40 or the master at least with magnetic-attraction element 80 of main valve plug 40
The face of spool receiving portion 82a sliding is made of pellumina working process layer.
When carrying out pellumina processing to main valve plug 40, the main valve plug 40 electrically engaged with anode is impregnated in electrolyte
In.At this point it is possible to which 40 mass-impregnation of main valve plug is handled in electrolyte, and formed on the whole surface of main valve plug 40
Pellumina process layer can also be such that the main valve plug 40 of diagram inverts upside down and slide in main valve plug 40 with magnetic-attraction element 80
Face forms pellumina working process layer.In short, can make outside the sliding of sliding inner surface and main valve plug 40 of magnetic-attraction element 80
The mutual linear expansion coefficient in face is close.
Such as dilute sulfuric acid is used in the electrolytic solution, and concentration, temperature, the dip time etc. by managing solution can obtain
Aluminium oxide film thickness as a purpose.In addition, defined envelope can be utilized in the case where surface generates fine holes in this process
The micropore is closed in hole processing.
It is handled by the pellumina, when forming such as 10 μm of pellumina process layer, main valve plug before treatment
The inside of 40 aluminium material is formed with 5 μm or so of the film that is impregnated with, and 5 μm or so of growth epithelium is formed on the outside of material.
Therefore, the case where main valve body 40 of the tubular of the invention as object product be, relative to the outer diameter D of final product,
The product of about small 10 μm of product (diameter: D-10 μm) is obtained by casting or being machined, oxygen is carried out to the product later
Change aluminium film processing, so as to obtain the main valve plug 40 of purpose size.
Then, by the solenoid valve 100 be applied to refrigeration cycle the case where as an example, with Fig. 1 to Fig. 3 to solenoid valve 100
Movement be illustrated.Fig. 1 shows the states not being powered to solenoid 70 (coil 70a).In this case, in magnetic-attraction element 80
Attraction is not generated, therefore plunger 50 is lifted in pipe 51 upwards by the elastic force of spring 52, guide's valve portion 20 is to open shape
State.In addition, main valve plug 40 is lifted in main valve chamber 33 upwards by the elastic force of main valve plug spring 46, main valve portion 10 is to open shape
State.
In this state, if operating compressor (not shown), such as high temperature and pressure refrigerant from inflow entrance 31 via
The main valve portion 10 opened in main valve chamber 33, and flowed by outflux 32.In addition, with from main valve chamber 33 via balancing orifice 44 to
The amount for the refrigerant that guide's valve chamber 34 flows is compared, the refrigeration flowed from guide's valve chamber 34 via first guiding path 45 to main valve chamber 33
The amount of agent is larger, therefore the pressure of the pressure ratio main valve chamber 33 of guide's valve chamber 34 is small and generate in main valve plug 40 and act on upwards
The elastic force of power, the power and main valve plug spring 46 makes main valve portion 10 keep sufficient open state together, maintains from inflow entrance 31 to stream
The flowing of outlet 32.
Then, when being powered in the condition shown in figure 1 to solenoid 70, magnetic-attraction element 80 and plunger 50 magnetize, two
Electromagnetic attraction is generated between person, plunger 50 overcomes the elastic force of spring 52 and declines.It is fixed integrally in the lower section of plunger 50
Pilot valve 60, therefore pilot valve 60 is vertically slided in pipe 51 identically as the movement of plunger 50.By by attraction unit
The attraction that part 80 generates, plunger 50 declines, and pilot valve 60 is also slided downwards.It is set to pilot valve 60 as a result,
The pilot valve liner of lower section 61 abutted with the guide's valve seat 42 for the upper side for being formed in main valve plug 40, become guide's valve portion 20
Closed state (blocks first guiding path 45).
When blocking first guiding path 45, the access for being connected to guide's valve chamber 34 and main valve chamber 33 is only balancing orifice 44, two valve chambers
Pressure difference ends.Also, when main valve plug 40 is pressed downwards and slides into the minimum point of main valve plug 40 by plunger 50, formed
41 abutted with the main valve seat 35 being formed in valve body 30 in the main valve liner of the lower side of main valve plug 40, and make main valve portion 10 at
For closed state.As a result, as shown in Fig. 2, main valve portion 10 is also closed state, flow path closes and prevents the fluids such as refrigerant from inflow entrance
31 flowing to outflux 32.
In the state of fig. 2, when stopping being powered to solenoid 70, solenoid 70 will not be such that magnetic-attraction element 80 generates
Electromagnetic attraction, plunger 50 are lifted upwards by the elastic force of spring 52, and pilot valve 60 is moved upward together with plunger 50,
Pilot valve liner 61 leaves from the guide's valve seat 42 for the upper surface side for being set to main valve plug 40, and guide's valve portion 20 becomes and opens shape
State becomes state shown in Fig. 3.
Guide's valve chamber 34 connects via the first guiding path 45 for the central part for being set to main valve plug 40 with outflux 32 as a result,
Logical, pressure in guide's valve chamber 34 is from high pressure to low-pressure transfer.
Main valve plug 40 is moved upward as a result, and the main valve for being fixed on side below main valve plug 40 pads 41 from main valve seat 35
It leaves, becomes valve opening state, become the state of Fig. 1.
In addition, such as flowering structure is illustrated in the explanation: being provided on the top of pilot valve 60 to elder generation
In addition pilot valve that guide valve seat 42 is opened and closed liner 61 is provided on the top of main valve plug 40 and main valve seat 35 is opened and closed
Main valve liner 41, but the present invention is not limited to the structure, certainly, if guide's valve seat 42 and/or master can be closed well
Pilot valve liner 61 and/or main valve liner 41 then can not also be especially arranged in valve seat 35.
In addition, being said to the structure for the whole or part for constituting main valve plug 40 by pellumina working process layer
It is bright, but may be to improve such as rust-proof effect and also form pellumina working process layer in valve body 30.In the feelings
Under condition, pellumina working process layer can also be formed as the inside and outside entirety throughout valve body 30, but can also be only in valve master
The outer peripheral surface of body 30 contacted with outer gas forms pellumina machined layer.
In addition, magnetic-attraction element 80 is formed by magnetic stainless steel, but the present invention is not limited to this, as long as magnetic material
Material then can be any material.
Claims (2)
1. a kind of guide electromagnetic valve, has:
Valve body, the valve body are formed with the inflow entrance and outflux of fluid, the shape between the inflow entrance and the outflux
At having main valve seat and main valve chamber；
Main valve plug, the main valve plug are formed with first guiding path and balancing orifice, and the main valve plug can be contacted with the main valve seat, point
From mode be configured in the main valve chamber；
Pilot valve, the pilot valve can be touched with the pilot valve seated connection for the end for being set to the first guiding path, be separated；
Solenoid, the solenoid are wound with coil；
Magnetic-attraction element, the magnetic-attraction element have a main valve plug receiving portion for accommodating the main valve plug, the main valve plug can with it is described
The sliding contact of main valve plug receiving portion；And
Plunger, which is linked to the pilot valve, and is attracted by the magnetic-attraction element,
The flowing that the fluid in the first guiding path is controlled and being powered to driving the pilot valve to the solenoid, from
And the main valve plug is driven, the guide electromagnetic valve is characterized in that,
The main valve plug is made of aluminum material, and the magnetic-attraction element is made up of magnetic material,
The main valve plug is at least made of with the face of the magnetic-attraction element sliding contact pellumina working process layer.
2. guide electromagnetic valve according to claim 1, which is characterized in that
The magnetic material for constituting the magnetic-attraction element is magnetic stainless steel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017124690A JP6563441B2 (en) | 2017-06-26 | 2017-06-26 | Pilot operated solenoid valve |
| JP2017-124690 | 2017-06-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109114289A true CN109114289A (en) | 2019-01-01 |
| CN109114289B CN109114289B (en) | 2022-06-17 |
Family
ID=62748768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810524551.6A Active CN109114289B (en) | 2017-06-26 | 2018-05-28 | Pilot-operated electromagnetic valve |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20180372129A1 (en) |
| EP (1) | EP3421848A1 (en) |
| JP (1) | JP6563441B2 (en) |
| KR (1) | KR102502869B1 (en) |
| CN (1) | CN109114289B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019102908A1 (en) | 2017-11-22 | 2019-05-31 | イーグル工業株式会社 | Solenoid valve |
| KR102512707B1 (en) * | 2018-10-05 | 2023-03-23 | 주식회사 신한전기 | Two way solenoid valve |
| JP7022222B2 (en) * | 2018-12-24 | 2022-02-17 | 太平洋工業株式会社 | solenoid valve |
| EP4023918A4 (en) * | 2019-08-29 | 2023-09-27 | Eagle Industry Co., Ltd. | Solenoid valve |
| JP7360723B2 (en) * | 2021-02-04 | 2023-10-13 | 株式会社不二工機 | electrically driven valve |
| CN217381871U (en) * | 2021-03-23 | 2022-09-06 | 盾安汽车热管理科技有限公司 | Solenoid valve and solenoid valve subassembly |
| KR102558570B1 (en) * | 2021-04-28 | 2023-07-20 | 주식회사 현대케피코 | Fuel cut-off valve |
| JP7272686B2 (en) * | 2021-06-04 | 2023-05-12 | 株式会社不二工機 | electrically driven valve |
| JP7272688B2 (en) * | 2021-06-22 | 2023-05-12 | 株式会社不二工機 | solenoid valve |
| CN113404871A (en) * | 2021-06-25 | 2021-09-17 | 深圳华星恒泰泵阀有限公司 | Large-flow electromagnetic valve body and large-flow electromagnetic valve |
| JP7487946B2 (en) * | 2021-12-28 | 2024-05-21 | 株式会社不二工機 | Electrically operated valve |
| JP7487947B2 (en) * | 2021-12-28 | 2024-05-21 | 株式会社不二工機 | Electrically operated valve |
| CN118786302A (en) * | 2022-03-09 | 2024-10-15 | 株式会社不二工机 | Electromagnetic valve |
| JP7557212B2 (en) | 2022-05-19 | 2024-09-27 | 株式会社不二工機 | Electrically operated valve |
| JP2023177560A (en) * | 2022-06-02 | 2023-12-14 | 株式会社不二工機 | electrically driven valve |
| WO2024135171A1 (en) * | 2022-12-20 | 2024-06-27 | 株式会社不二工機 | Solenoid valve and method for assembling solenoid valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7036527B2 (en) * | 2003-04-24 | 2006-05-02 | Fujikoki Corporation | Composite valve |
| JP2013224713A (en) * | 2012-04-23 | 2013-10-31 | Ckd Corp | Linear actuator, vacuum control device and computer program |
| CN103486299A (en) * | 2012-06-07 | 2014-01-01 | 株式会社捷太格特 | Electromagnetic valve |
| US20150219239A1 (en) * | 2014-02-03 | 2015-08-06 | Parker-Hannifin Corporation | Pilot-operated valve with floating piston |
| CN105299297A (en) * | 2014-06-26 | 2016-02-03 | 株式会社不二工机 | Three-way solenoid valve |
| CN108869789A (en) * | 2018-08-20 | 2018-11-23 | 舟山青兰科技有限公司 | Two-position three way magnetic valve and device for corrosive liquids reverse osmosis treatment device |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5772064U (en) * | 1980-10-20 | 1982-05-01 | ||
| US4936337A (en) * | 1986-07-18 | 1990-06-26 | Emhart Industries, Inc. | Armature for a solenoid operated valve |
| JPH0735257A (en) * | 1993-07-19 | 1995-02-07 | Riken Corp | Solenoid valve |
| JP2001295946A (en) * | 2000-04-12 | 2001-10-26 | Honda Motor Co Ltd | Sliding member for hydraulic control valve, and slide! member for hydraulic control valve |
| JP3555592B2 (en) * | 2000-08-11 | 2004-08-18 | 株式会社デンソー | Refrigeration cycle device and valve device used therefor |
| JP2003307371A (en) * | 2002-02-13 | 2003-10-31 | Saginomiya Seisakusho Inc | Valve device for refrigerating cycle equipment using hfc refrigerant |
| JP2005248729A (en) * | 2004-03-01 | 2005-09-15 | Anest Iwata Corp | Oil-free reciprocating air compressor |
| US7562670B1 (en) * | 2006-04-28 | 2009-07-21 | Jones H Stephen | Flat valve for orbital applications |
| KR101498348B1 (en) * | 2010-04-19 | 2015-03-03 | 스미도모쥬기가이고교 가부시키가이샤 | Rotary valve and cryogenic refrigerator using same |
| JP5620833B2 (en) * | 2011-01-24 | 2014-11-05 | 株式会社不二工機 | 3-way solenoid valve |
| JP6031931B2 (en) * | 2012-10-03 | 2016-11-24 | 株式会社デンソー | Refrigeration cycle equipment |
| JP6068249B2 (en) * | 2013-04-26 | 2017-01-25 | Ckd株式会社 | solenoid valve |
| JP2016017583A (en) * | 2014-07-09 | 2016-02-01 | 日立オートモティブシステムズ株式会社 | Electromagnetic valve |
| JP2016089969A (en) * | 2014-11-06 | 2016-05-23 | 株式会社テージーケー | solenoid valve |
| JP6355617B2 (en) * | 2015-12-16 | 2018-07-11 | 株式会社不二工機 | Control valve for variable displacement compressor |
-
2017
- 2017-06-26 JP JP2017124690A patent/JP6563441B2/en active Active
-
2018
- 2018-02-19 KR KR1020180019254A patent/KR102502869B1/en active IP Right Grant
- 2018-05-28 CN CN201810524551.6A patent/CN109114289B/en active Active
- 2018-06-20 US US16/012,828 patent/US20180372129A1/en not_active Abandoned
- 2018-06-21 EP EP18178930.6A patent/EP3421848A1/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7036527B2 (en) * | 2003-04-24 | 2006-05-02 | Fujikoki Corporation | Composite valve |
| JP2013224713A (en) * | 2012-04-23 | 2013-10-31 | Ckd Corp | Linear actuator, vacuum control device and computer program |
| CN103486299A (en) * | 2012-06-07 | 2014-01-01 | 株式会社捷太格特 | Electromagnetic valve |
| US20150219239A1 (en) * | 2014-02-03 | 2015-08-06 | Parker-Hannifin Corporation | Pilot-operated valve with floating piston |
| CN105299297A (en) * | 2014-06-26 | 2016-02-03 | 株式会社不二工机 | Three-way solenoid valve |
| CN108869789A (en) * | 2018-08-20 | 2018-11-23 | 舟山青兰科技有限公司 | Two-position three way magnetic valve and device for corrosive liquids reverse osmosis treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6563441B2 (en) | 2019-08-21 |
| JP2019007572A (en) | 2019-01-17 |
| CN109114289B (en) | 2022-06-17 |
| KR102502869B1 (en) | 2023-02-24 |
| EP3421848A1 (en) | 2019-01-02 |
| US20180372129A1 (en) | 2018-12-27 |
| KR20190001499A (en) | 2019-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109114289A (en) | Guide electromagnetic valve | |
| US7921880B2 (en) | Three-way poppet valve with intermediate pilot port | |
| US9068668B2 (en) | Mechanically latching solenoid valve | |
| MX2014002917A (en) | Solenoid operated valve with constant bleed port. | |
| US20120292544A1 (en) | Solenoid for electromagnetic valve | |
| US9103463B2 (en) | Pressure balanced solenoid operated valve | |
| KR101644940B1 (en) | On-off valve | |
| US9683673B2 (en) | Magnetic valve with a one piece housing | |
| CN111692345B (en) | Electromagnetic valve | |
| CN220118760U (en) | Valve body of electromagnetic valve and electromagnetic valve | |
| JP2022088126A (en) | Valve device | |
| CN220488423U (en) | Electromagnetic valve | |
| JP7272688B2 (en) | solenoid valve | |
| CN116697118A (en) | Valve body of electromagnetic valve, method for manufacturing valve body and electromagnetic valve | |
| CN117404516A (en) | Pilot-operated electromagnetic valve | |
| JP2006010228A (en) | Solenoid expansion valve | |
| JP2002257254A (en) | Solenoid valve | |
| JP2024065655A (en) | solenoid valve | |
| JP2011043240A (en) | Three-way valve | |
| JP2006322586A (en) | Pilot type solenoid valve | |
| JPH0530663U (en) | solenoid valve | |
| JP2005282681A (en) | Normally closed solenoid valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201208 Address after: Tokyo, Japan and so on the world valley area and so on force 7-17-24 Applicant after: Fujikoki Corp. Applicant after: DENSO Corp. Address before: Tokyo, Japan and so on the world valley area and so on force 7-17-24 Applicant before: Fujikoki Corp. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |